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Analysis
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max time kernel
143s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
31/12/2023, 02:30
Behavioral task
behavioral1
Sample
248708dec1b359e94af62c02271738ad.pdf
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
248708dec1b359e94af62c02271738ad.pdf
Resource
win10v2004-20231215-en
General
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Target
248708dec1b359e94af62c02271738ad.pdf
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Size
78KB
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MD5
248708dec1b359e94af62c02271738ad
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SHA1
74ae23935917e5200a403aadcf01b5eb460b8c8b
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SHA256
d13506a4a512bfc055bd8a0b6695d10fb8b7edb09888fd35b9ae87263313c168
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SHA512
68a634734edcceb0a94a6822cb719ce9e02ac36740acced9fbdb68c478328dc6a0a0f6018c4d7380628cc5d0a0bf7fa12595643d2a8064dcb160161141892583
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SSDEEP
1536:+RYc4igpEXCgw10zcsQYt8KaAFL+T/OycJrAYmXvVHWhlI8ZDRY:8QpEXg17sQCjav7xOaXvVEvZa
Malware Config
Signatures
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AcroRd32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz AcroRd32.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION AcroRd32.exe -
Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4740 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe 4740 AcroRd32.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4740 wrote to memory of 3128 4740 AcroRd32.exe 90 PID 4740 wrote to memory of 3128 4740 AcroRd32.exe 90 PID 4740 wrote to memory of 3128 4740 AcroRd32.exe 90 PID 4740 wrote to memory of 904 4740 AcroRd32.exe 91 PID 4740 wrote to memory of 904 4740 AcroRd32.exe 91 PID 4740 wrote to memory of 904 4740 AcroRd32.exe 91 PID 4740 wrote to memory of 2972 4740 AcroRd32.exe 93 PID 4740 wrote to memory of 2972 4740 AcroRd32.exe 93 PID 4740 wrote to memory of 2972 4740 AcroRd32.exe 93 PID 4740 wrote to memory of 2232 4740 AcroRd32.exe 98 PID 4740 wrote to memory of 2232 4740 AcroRd32.exe 98 PID 4740 wrote to memory of 2232 4740 AcroRd32.exe 98 PID 4740 wrote to memory of 628 4740 AcroRd32.exe 102 PID 4740 wrote to memory of 628 4740 AcroRd32.exe 102 PID 4740 wrote to memory of 628 4740 AcroRd32.exe 102 PID 4740 wrote to memory of 2396 4740 AcroRd32.exe 106 PID 4740 wrote to memory of 2396 4740 AcroRd32.exe 106 PID 4740 wrote to memory of 2396 4740 AcroRd32.exe 106 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 4784 2396 RdrCEF.exe 107 PID 2396 wrote to memory of 5028 2396 RdrCEF.exe 108 PID 2396 wrote to memory of 5028 2396 RdrCEF.exe 108 PID 2396 wrote to memory of 5028 2396 RdrCEF.exe 108 PID 2396 wrote to memory of 5028 2396 RdrCEF.exe 108 PID 2396 wrote to memory of 5028 2396 RdrCEF.exe 108
Processes
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\248708dec1b359e94af62c02271738ad.pdf"1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:3128
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:904
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:2972
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:2232
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵PID:628
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=165140432⤵
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=E8D5C514909B18CCF29E3FFE9F40A37D --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:4784
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=9D1A3AC09257D0AEB29D0ABD73E45EC1 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=9D1A3AC09257D0AEB29D0ABD73E45EC1 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:13⤵PID:5028
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=9D10E00823E71A9382E3957F26C6B363 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=9D10E00823E71A9382E3957F26C6B363 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:13⤵PID:2872
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=915D978DCD31D81F34B457CF803432CA --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:2516
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=8E49BF93859CDDE6D90B7724C4DB4460 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:632
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C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=12153BDA8D3FE050EEEB4FC03E24776F --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:23⤵PID:1596
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
56KB
MD5752a1f26b18748311b691c7d8fc20633
SHA1c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA256111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
SHA512a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
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Filesize
36KB
MD5b30d3becc8731792523d599d949e63f5
SHA119350257e42d7aee17fb3bf139a9d3adb330fad4
SHA256b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
SHA512523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
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Filesize
64KB
MD5b0e8e65aadba358c58b53d2be12cd991
SHA1f7edcbca1a30e8a3358fd19e35d0671a788aa9cd
SHA256507cb55e67391ba448307c7197b2c87c76f64f962db7ca4d3448d0f79bf9ed22
SHA5124189e4e7903e4343bc4c2ac7b91a96b52d83199f5c6db8d050c6da16162610ad4ecb2743f39cc3b474c7c8cd45d6d0f05aa8aaeefc42a1a1ee36419e046aeb99